US4513588A - Flat knitting machine for the production of knitted pieces with intarsia - Google Patents

Flat knitting machine for the production of knitted pieces with intarsia Download PDF

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Publication number
US4513588A
US4513588A US06/559,066 US55906683A US4513588A US 4513588 A US4513588 A US 4513588A US 55906683 A US55906683 A US 55906683A US 4513588 A US4513588 A US 4513588A
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United States
Prior art keywords
yarn guide
yarn
entraining
slider
knitting machine
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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US06/559,066
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English (en)
Inventor
Albert Lutz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel Dorus GmbH and Co KG
Universal Maschinenfabrik
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Universal Maschinenfabrik
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Assigned to UNIVERSAL MASCHINENFABRIK DR. RUDOLF SCHIEBER GMBH & CO. KG reassignment UNIVERSAL MASCHINENFABRIK DR. RUDOLF SCHIEBER GMBH & CO. KG ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: LUTZ, ALBERT
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B7/00—Flat-bed knitting machines with independently-movable needles
    • D04B7/24—Flat-bed knitting machines with independently-movable needles for producing patterned fabrics
    • D04B7/26—Flat-bed knitting machines with independently-movable needles for producing patterned fabrics with colour patterns
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/54—Thread guides
    • D04B15/56—Thread guides for flat-bed knitting machines

Definitions

  • This invention relates to a flat knitting machine for the production of knitted pieces with intarsia, the machine comprising a yarn guide with a yarn guide sheave mounted for vertical displacement on a yarn guide box, a slider mounted for horizontal displacement on the yarn guide box and having at least two entraining edges at different vertical positions for engagement by an entrainer for the yarn guide box, wherein the entraining edges co-operate with the yarn guide in such a manner that the yarn guide is lowerable downwards into its yarn-laying position with the yarn guide box stationary and can be raised upwards from this position to its rest position.
  • the yarn guides are only displaceable vertically between their lower yarn-laying position and their upper rest position, and the device for raising the yarn guide is formed in such a way that the raising of a yarn guide, after the yarn guide box has reached its end position is drawn out for long enough to ensure that the yarn laid by the yarn guide is held by closed needle hooks in the laid position.
  • the yarn laid in the last open needle hook is not torn out of the needle hook and consequently no faulty stitches occur.
  • Known intarsia devices on flat knitting machines basically offer the possibility of knitting varicoloured patterns so that the yarn guide associated with each pattern field lays the yarn only over its own needle zone.
  • the yarn guides of adjacent pattern fields must lay their yarns jointly over one or more needles, whereby to create a stitch linkage.
  • the needles with which the linkage is knitted it is therefore necessary always to lay both yarns of adjacent pattern fields.
  • the pattern should maintain correct pattern edges, on the one hand the two yarns must be laid so that the one yarn always appears on the front side of the knitting and the other yarn always appears on the reverse side of the knitted piece.
  • This type of knitting is known as platting.
  • the yarn guide in a manner known per se comprises an entraining pin engageable with a curved track which is connected to the carriage and which has at least three different working levels for vertical displacement of the yarn guide, in which the curved track is an elongate curved slot in the slider which guides the entraining pin in a positive manner in both directions with the vertical movement of the yarn guide, and in which the elongate curved slot is formed such that with a movement of the slider relative to the yarn guide box from one lateral end position to the other lateral end position the yarn guide sheave
  • Each yarn guide box is moved away to the edge of its pattern field by the slider being moved into the one or other lateral end position.
  • the yarn Before the commencement of a new run of the yarn guide box the yarn is brought to lie behind the needles extended by the knitting cams by the movement of the yarn guide sheave into the loop position below the yarn-laying position, so that the yarn, for the subsequent entrainment, lies satisfactorily at the first needle around and in the needle hook.
  • the knitting of the pattern field then follows in the yarn-laying position.
  • the elongate curved track slot is preferably arranged to be symmetrical with respect to the central transverse axis of the slider, thus resulting in a simplified construction and facilitating the control of the slider.
  • the elongate curved track slot is formed so that the yarn guide sheave, when raised into the yarn-laying position, is first raised to a high position above the yarn-laying position and is then lowered from this high position to the yarn-laying position.
  • the yarn guide box is preferably constructed symmetrically with respect to its central transverse axis, and has on each side of the axis a recessed entraining edge and also a projecting entraining edge offset with respect to the recessed entraining edge in the direction away from the central transverse axis. This arrangement of the entrairing edges causes the transfer of the yarn guide sheave from the yarn-laying position to the platting position.
  • the slider preferably has, arranged symmetrically on each side of its central transverse axis, a conterminous recessed and projecting entraining edge and additionally a notch offset in relation to this entraining edge in the direction away from the central transverse axis, with the side walls of the notch defining projecting entraining edges.
  • the projecting entraining edges of the side walls of the notch serve to control the yarn guide sheave in its movement from its rest position to its lowermost loop position and from its platting position to the rest position.
  • the entrainer for the yarn guide box and the slider preferably has a lower, relatively small width portion and an upper, relatively large width portion. This configuration serves, in combination with the entraining edges of the yarn guide box and the conterminous recessed and projecting entraining edges of the slider, to establish and control the transfer of the yarn guide sheave from the yarn-laying position to the platting position.
  • Yarn guide limiters which are horizontally displaceable by means of the machine control system, preferably are provided and include ramp runners for the entrainer which have, preferably, three inclined ramp surfaces directed towards the working region of the yarn guide and two inclined ramp surfaces directed away from this region. By means of these inclined ramp surfaces the entrainer is moved into and out of engagement with the entraining edges of the yarn guide box and of the slider at the correct times.
  • the yarn guide limiters preferably include latching levers engageable in a controlled manner in notches in the yarn guide box and releasable from these notches.
  • the yarn guide limiters together with the yarn guide boxes coupled to them, are preferably displaceable horizontally in a controlled manner during the carriage reversal by means of threaded spindles from the machine control system, corresponding to the desired pattern configuration.
  • the yarn guide sheave is preferably formed as a small tube which can be lowered between the needles below the needle cams. This type of sheave makes it possible to lower the sheave to the lowermost loop position reliably and without causing damage.
  • FIG. 1 shows a yarn guide box without the slider fitted thereto
  • FIG. 2 shows a left-hand yarn guide limiter
  • FIG. 3 shows a slider which is inserted into the yarn guide box of FIG. 1 to be horizontally displaceable relative thereto;
  • FIG. 4 shows an elongate curved track slot of the slider according to FIG. 3 on an enlarged scale
  • FIG. 5 is a schematic representation of the path of the needle and of the yarn guide sheave with respect to time
  • FIG. 6 shows various needle positions
  • FIG. 7 and 8 are schematic representations of yarn guide sheaves in relation to needles.
  • FIGS. 9 to 13 are five illustrations of a yarn guide box with slider inserted therein for different positions of the slider relative to the yarn guide box and for different positions of the entrainer relative to the individual entraining edges.
  • FIG. 1 there is shown a yarn guide box 1 with a cover 2.
  • the yarn guide box 1 is constructed symmetrically with respect to its central transverse axis MK.
  • the yarn guide box 1 is provided, at its upper margin, with recessed entraining edges 3 and, offset relative to these edges, projecting entraining edges 4.
  • An entrainer 5 (FIG. 2) mounted to be displaceable vertically on the carriage of the flat knitting machine is arranged to come into engagement with the entraining edges 3 and 4 upon the traverse of the carriage.
  • a yarn guide 6 is mounted to be displaceable vertically in the yarn guide box 1.
  • FIG. 2 there is shown a left yarn guide limiter 7 with a ramp runner 8 and a pivotable latch lever 9.
  • the corresponding right yarn guide limiter is constructed to be a mirror image of the left yarn guide limiter 7.
  • the ramp runner 8 has three inclined ramp faces 10, 11 and 12 sloping towards the working zone of the yarn guide and two inclined ramp faces 13 and 14 sloping away from this zone.
  • the entrainer 5 is raised on the carriage as the carriage traverses.
  • the entrainer 5 itself comprises a lower, relatively small width portion and an upper relatively larger width portion, with these two portions defining entraining surfaces 16 and 15 which are offset relative to one another in the direction of carriage movement.
  • the latch levers 9 of the yarn guide limiters 7 are controlled in such a way that they drop into notches 17 (FIG. 1) in the cover 2 of the yarn guide box 1 in order thereby to arrest the yarn guide box 1 in its movement.
  • the latch levers 9 are arranged to be freed from these notches 17 when the yarn guide box 1 is to be moved by the entrainer 5.
  • a slider 18, which is shown in FIG. 3, and which is arranged to be horizontally displaeceable relative to the yarn guide box 1 by means of guide pins 19 on the yarn guide box 1 engaging in elongate holes 20 in the slider 18.
  • the slider 18, which is symmetrical with respect to its central transverse axis MS, is provided with conterminous recessed and projecting entraining edges 21 as well as with notches 22 offset in relation to these entraining edges 21.
  • the side walls of the notches 22 define projecting entraining edges 23 and 24.
  • the entrainer 5 comes into engagement with the entraining edges 21, 23 and 24 for the horizontal displacement of the slider 18 relative to the yarn guide box 1 from one lateral end position to the other lateral end position.
  • the slider 18 also includes an elongate curved track slot 25 in which an entraining pin 26 (FIG. 1) of the yarn guide 6 engages.
  • an entraining pin 26 FIG. 1
  • positions of the entraining pin 26, and consequently of the yarn guide sheave are, in particular, an uppermost rest position 27, a lowermost loop position 28, a higher platting position 29 and a yarn-laying position 30, these positions being repeated symmetrically on each side of the central transverse axis MS of the slider 18.
  • a high position raised above the yarn-laying position 30 lies on the central transverse axis MS itself.
  • FIG. 4 the elongate curved track slot 25 is shown on an enlarged scale.
  • FIG. 5 shows the path 32 of a yarn guide sheave 33 during the lowering and raising of the yarn guide 6 in relation to the path 34 of a needle 35 during this movement of the sheave.
  • FIG. 6 shows various different positions of the needle 35 relative to the needle cam 36.
  • the cam unit brings the needles into the extended position, in consequence of which the yarn comes to lie behind the needles which have been extended and for the following entrainment, lies correctly in and around the needle hook at the first needle of a pattern field.
  • the yarn guide sheave is then raised into the yarn-laying position 30 in which knitting occurs in the relevant pattern field. With vertical displacement of the yarn guide sheave from the loop position 28 to the yarn-laying position 30 the yarn guide sheave is guided above the high position 31. This means that the yarn-laying position relative to the needle occurs not only with vertically unmoved yarn guide sheaves, but already before the vertical standstill of the yarn guide sheave.
  • the yarn guide sheave After the movement of the yarn guide box away from the upper edge of a pattern field, the yarn guide sheave is lowered from the yarn-laying position 30 to the platting position 29. Thereby, on the one hand the yarn is brought to lie with certainty at the back of the knitted piece and on the other hand one ensures that the yarn cannot escape from the now open needle hook.
  • the raising of the yarn guide sheave into the rest position 27 which then follows serves to prepare the yarn guide for the next pattern traverse in the opposite direction.
  • FIGS. 7 and 8 show two yarn guide sheaves N1 and N2 in their settings and positions relative to needles a, b, c, d and e, wherein a left pattern field is indicated at LM and a right pattern field is indicated at RM.
  • FIGS. 9 to 13 show various different positions of the slider 18 relative to the yarn guide box 1 in which the yarn guide in FIG. 9 is in the yarn-laying position for knitting from left to right, and in which FIG. 10 shows the yarn guide in the platting position.
  • the needle c is that needle which serves as a connecting point between the two pattern fields LM and RM.
  • the yarn guide with the yarn guide sheave N1 (FIG. 7) is in the knitting position and moves to the right (FIG. 9), with the entrainer 5 being in engagement with the slider 18 and the yarn guide box 1 in such a way that it entrains the entraining edge 21 of the slider 18 by means of its entraining surface 15 and entrains the entraining edge 3 of the yarn guide box 1 by means of its entraining surface 16. It moves up to a position between needles a and b (FIG. 7). There, the entrainer 5 runs on the inclined ramp surface 10 of the ramp runner 8 (FIG. 10).
  • the yarn guide box 1 remains stationary for a short time, while the slider 18 travels further, until the lower entraining surface 16 of the entrainer 5 again picks up the yarn guide box 1.
  • the entraining pin 26 has dropped lower in the elongate curved track slot 25 and consequently the associated yarn guide sheave has dropped somewhat lower into the platting position 29.
  • the latch lever 9 of the right-hand yarn guide limiter 7 is opened for subsequent latching.
  • the yarn guide sheave N1 and the yarn guide sheave N2 of the next-following yarn guide have approached one another until they are one needle division apart (FIG. 7) and then run together jointly over a distance equal to two needle divisions or needles.
  • the entrainer 5 runs on the inclined ramp surface 11 of the right-hand ramp runner 8, uncouples the yarn guide box 1 and finally drops into the notch 22 in the slider 18 (FIG. 11).
  • the slider 18 is now taken so far to the right until the entrainer 5 is raised by the inclined ramp surface 12 of the right-hand ramp runner 8, whereupon it remains stationary.
  • the slider 18 has consequently reached its right-hand end position, in which the yarn guide sheave is in the uppermost rest position.
  • the entrainer 5 by means of the ramp runner 8 of the left-hand yarn guide limiter 7, drops into the notch 22 of the slider 18 (FIG. 12).
  • the slider 18 therefore moves to the right, and the yarn guide box 1 is then held by the left-hand latch lever 9, slides over the inclined ramp surface 14, thereby uncoupling the slider 18, and slides in the central recesses of the slider 18 and of the yarn guide box 1 between the entraining edges 21, 21 and 3, 3 until shortly before the decoupling from the latch lever (FIG. 13).
  • the yarn guide sheave N2 has dropped into the lowermost loop position 28 and the entraining pin 26 occupies the position shown in FIG. 13. This movement of the sheave occurs while the yarn guide box 1 itself does not move and while the yarn guide sheave N2 still stands between the needles b and c (FIG. 7).
  • the yarn guide sheave N2 has dispensed the yarn for the formation of the stitch to the needle b as the last needle.
  • the yarn guide sheave N2 stands between the needles a and b.
  • the yarn guide box 1 with the yarn guide sheave N2 is displaced to the right by one division beyond the left-hand yarn guide limiter 7, for example by means of a threaded spindle, so that with traverse of the carriage to the right the yarn guide sheave N2 is positioned between needles b and c (FIG. 7).
  • the cam unit on the carriage brings the needles into the extended position so that the yarn comes to lie behind the extended needles and lies for the subsequent entrainment correctly in and around the needle hook at the first needle of the pattern field.
  • This is particularly important if the lateral position of the pattern field suddenly wanders to the left for example over several needles. With the reversal of the carriage at the left-hand end of the machine the connecting point between the pattern field would then be displaced to the left by several needles. It is therefore necessary to use a long-drawn yarn which can be brought reliably behind the extended needles and this would be achieved with the lowering of the yarn guide sheave into the lowermost loop position. Subsequently, the slider 18 is again displaced to the right by the entrainer 5 until it takes up the position shown in FIG. 9 in which knitting takes place.
  • the yarn guide sheave 33 is preferably formed as a small tube which can be lowered between the needles 35 below the needle cams 36.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
US06/559,066 1982-12-07 1983-12-07 Flat knitting machine for the production of knitted pieces with intarsia Expired - Fee Related US4513588A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3245233A DE3245233C2 (de) 1982-12-07 1982-12-07 Flachstrickmaschine zur Herstellung von Strickstücken mit Intarsien
DE3245233 1982-12-07

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US4513588A true US4513588A (en) 1985-04-30

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US06/559,066 Expired - Fee Related US4513588A (en) 1982-12-07 1983-12-07 Flat knitting machine for the production of knitted pieces with intarsia

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US (1) US4513588A (it)
JP (1) JPS59144658A (it)
DE (1) DE3245233C2 (it)
ES (1) ES8406587A1 (it)
FR (1) FR2537170B1 (it)
GB (1) GB2131460B (it)
IT (1) IT1194497B (it)
SU (1) SU1447292A3 (it)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5588311A (en) * 1994-10-31 1996-12-31 Shima Seiki Manufacturing Ltd. Control method for a carrier of a knitting machine and its apparatus
WO2003010378A1 (fr) * 2001-07-24 2003-02-06 Shima Seiki Mfg., Ltd. Dispositif d'alimentation de fil d'un metier trame et procede d'alimentation de fil destine a un tel metier
WO2004076732A1 (ja) * 2003-02-26 2004-09-10 Shima Seiki Manufacturing Limited 横編機のヤーンキャリア
US20120234052A1 (en) * 2011-03-15 2012-09-20 Nike, Inc. Method Of Manufacturing A Knitted Component
CN103582511A (zh) * 2011-03-15 2014-02-12 耐克国际有限公司 用于编织机的组合进给器
US9924761B2 (en) 2011-03-15 2018-03-27 Nike, Inc. Article of footwear incorporating a knitted component
CN108118438A (zh) * 2018-03-05 2018-06-05 泉州市永祺塑胶电子有限公司 一种用于电脑横机的新型冚毛纱嘴装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3813504A1 (de) * 1988-04-22 1989-11-02 Stoll & Co H Verfahren zum herstellen von intarsien-gestrickstuecken und flachstrickmaschine zur durchfuehrung des verfahrens
DE4300027A1 (de) * 1993-01-02 1994-07-07 Schieber Universal Maschf Flachstrickmaschine
FR2878261B1 (fr) * 2004-11-23 2007-03-02 Steiger S A C Sa Suisse Atel C Distributeur de fil pour machine a tricoter rectiligne
CN111501184B (zh) * 2019-01-30 2021-10-26 佰龙机械厂股份有限公司 具有变化喂纱位置的横编机喂纱器
EP3705613B1 (en) * 2019-03-04 2021-07-14 Pai Lung Machinery Mill Co., Ltd. Flat knitting machine yarn feeder with variable yarn feeding positions

Citations (3)

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Publication number Priority date Publication date Assignee Title
US2602312A (en) * 1950-05-08 1952-07-08 Zimic Yarn feed mechanism for knitting machines
US4052865A (en) * 1975-04-29 1977-10-11 Gino Zamarco Thread-guiding mechanism for flat-bed knitting machine
US4237706A (en) * 1978-04-12 1980-12-09 Edouard Dubied & Cie Intarsia knitting machine

Family Cites Families (1)

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Publication number Priority date Publication date Assignee Title
IT1001091B (it) * 1973-12-18 1976-04-20 Sdf Simonini Primo E Secondo Dispositivo applicato al guidafilo della macchina rettilinea da maglie ria per evitare falli nella fabbri cazione di maglia ad intarsio

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2602312A (en) * 1950-05-08 1952-07-08 Zimic Yarn feed mechanism for knitting machines
US4052865A (en) * 1975-04-29 1977-10-11 Gino Zamarco Thread-guiding mechanism for flat-bed knitting machine
US4237706A (en) * 1978-04-12 1980-12-09 Edouard Dubied & Cie Intarsia knitting machine

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5588311A (en) * 1994-10-31 1996-12-31 Shima Seiki Manufacturing Ltd. Control method for a carrier of a knitting machine and its apparatus
WO2003010378A1 (fr) * 2001-07-24 2003-02-06 Shima Seiki Mfg., Ltd. Dispositif d'alimentation de fil d'un metier trame et procede d'alimentation de fil destine a un tel metier
US20040211224A1 (en) * 2001-07-24 2004-10-28 Masaki Miyamoto Yarn feeder of weft knitting machine and method of feeding yarn for weft knitting machine
US6988385B2 (en) 2001-07-24 2006-01-24 Shima Seiki Mfg., Ltd. Yarn feeder of weft knitting machine and method of feeding yarn for weft knitting machine
KR100905251B1 (ko) 2001-07-24 2009-06-30 가부시키가이샤 시마세이키 세이사쿠쇼 횡편기의 급사장치 및 횡편기의 급사방법
WO2004076732A1 (ja) * 2003-02-26 2004-09-10 Shima Seiki Manufacturing Limited 横編機のヤーンキャリア
US20060144096A1 (en) * 2003-02-26 2006-07-06 Masao Okuno Yarn carrier of weft knitting machine
US7201023B2 (en) 2003-02-26 2007-04-10 Shima Seiki Manufacturing Limited Yarn carrier of weft knitting machine
CN1764751B (zh) * 2003-02-26 2012-05-30 株式会社岛精机制作所 横机的导纱器
CN103582511B (zh) * 2011-03-15 2016-02-10 耐克创新有限合伙公司 用于编织机的组合进给器
US9487891B2 (en) 2011-03-15 2016-11-08 Nike, Inc. Combination feeder for a knitting machine
US9060570B2 (en) * 2011-03-15 2015-06-23 Nike, Inc. Method of manufacturing a knitted component
US20120234052A1 (en) * 2011-03-15 2012-09-20 Nike, Inc. Method Of Manufacturing A Knitted Component
CN105483927A (zh) * 2011-03-15 2016-04-13 耐克创新有限合伙公司 用于编织机的组合进给器
US9441316B2 (en) 2011-03-15 2016-09-13 Nike, Inc. Combination feeder for a knitting machine
US9481953B2 (en) 2011-03-15 2016-11-01 Nike, Inc. Combination feeder for a knitting machine
CN103582511A (zh) * 2011-03-15 2014-02-12 耐克国际有限公司 用于编织机的组合进给器
US9567696B2 (en) 2011-03-15 2017-02-14 Nike, Inc. Method of manufacturing a knitted component
CN105483927B (zh) * 2011-03-15 2017-12-26 耐克创新有限合伙公司 用于编织机的组合进给器
US9924761B2 (en) 2011-03-15 2018-03-27 Nike, Inc. Article of footwear incorporating a knitted component
US11859320B2 (en) 2011-03-15 2024-01-02 Nike, Inc. Knitted component and method of manufacturing the same
US10822729B2 (en) 2011-03-15 2020-11-03 Nike, Inc. Knitted component and method of manufacturing the same
US11421353B2 (en) 2011-03-15 2022-08-23 Nike, Inc. Knitted component and method of manufacturing the same
US11478038B2 (en) 2011-03-15 2022-10-25 Nike, Inc. Article of footwear incorporating a knitted component
CN108118438A (zh) * 2018-03-05 2018-06-05 泉州市永祺塑胶电子有限公司 一种用于电脑横机的新型冚毛纱嘴装置

Also Published As

Publication number Publication date
SU1447292A3 (ru) 1988-12-23
GB2131460B (en) 1986-03-05
DE3245233C2 (de) 1985-05-15
FR2537170A1 (fr) 1984-06-08
GB8332207D0 (en) 1984-01-11
GB2131460A (en) 1984-06-20
IT8324031A0 (it) 1983-12-05
JPS6158578B2 (it) 1986-12-12
ES527851A0 (es) 1984-08-01
FR2537170B1 (fr) 1987-02-13
ES8406587A1 (es) 1984-08-01
IT1194497B (it) 1988-09-22
DE3245233A1 (de) 1984-06-07
JPS59144658A (ja) 1984-08-18

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